package com.woniuxy01;

/**
 * @author 作者
 * @create 2025-11-03 14:10
 */
public class Xxx {
    private int i=1;
    private int j;

    private final int m=1;
    private  final  int n;

    public static final double PI=3.14;

    public Xxx() {
        n=10;
    }

    public void test01(){
        i=6;
        j=9;
        System.out.println(m);
//        m=9;
//        n=100;
    }
}
